Spindle Repair Service Information

Spindle repair services specialize in the repairing and rebuilding of spindles which are (1) the rotating components of milling machines and grinders used to hold and drive a cutting tool and (2) the rotating components of lathes and workheads used to hold and turn a workpiece. Common services include disassembly, cleaning of all parts, inspection with electronic gaging, failure analysis, the evaluation, replacement, and rework of parts, clean room assembly, vibration analysis, dynamic balance testing. Typically, vibration analysis is performed by using accelerometers on key measurement points. Dynamic balancing restores spindle equilibrium about a central axis. Spindle repair services are located around the globe. Many meet International Standards Organization (ISO) requirements or specific automotive or OEM certifications.

Selecting a Spindle Repair Service

Selecting spindle repair services requires an understanding of spindle technologies. Bearings permit rotary motion, reducing wear and friction and facilitate high rotational speeds. Several types of bearings are available. Angular contact ball bearings, deep groove ball bearings and roller bearings are most common. Air bearings use a pressurized air supply. By contrast, hydrodynamic bearings use a film of oil while hydrostatic bearings employ a pressurized oil supply. Spindles with hydrodynamic or hydrostatic bearings feature a high stiffness and long life. Spindles with magnetic bearings are available. Cartridge spindles mount in a block housing. Block and flanged spindles are bolted to a flat surface. Spindle attachments with an angled head are configured to allow right angle or adjustable tool orientation and may include gearing to multiply the spindle speed.

Additional Service offered

Spindle repair services often perform additional services. Computer Aided Design (CAD) is used to design spindles. Computer Aided Manufacturing (CAM) is used to manufacture products directly from CAD outputs. Companies that provide design assistance can help with concepts, manufacturing costs, manufacturing techniques and material considerations such as sourcing. Some spindle repair services offer to rebuild machine tools or provide refurbished spindles. Others provide on-site support or rebuilt spindles with warranty.

Service Certifications, Quality Standards

Certifications and quality requirements for spindle repair services can include ISO 9001, ISO 9002, and QS 9000. ISO 9001 establishes requirements for organizations whose business processes range from design and development to production, installation, and servicing. ISO 9002 establishes requirements for organizations whose business processes include production, installation, and service, but not design and development. QS 9000 is a quality standard for suppliers of Daimler Chrysler Corporation, Ford Motor Company, and General Motors Corporation. QS 9000 is based on the 1994 edition of ISO 9001, but contains additional requirements of the automotive industry. Companies certified by original equipment manufacturers to repair spindles to specified conditions and tolerance are available.

Spindle Repair Service by Precision Spindle & Accessories

We offer spindle repairing and spindle rebuilding services for lathes, mills, CNC machining centers, turning centers, grinders used in all industries around the globe. All assemblies are carefully disassembled, all parts are cleaned, inspected with electronic gaging, analyzed for failure and evaluated for restoration and quoted. After quotation approval, worn parts are replaced or reworked to OEM specifications and the re-assembly of the spindle with new bearings takes place in a clean room environment. We repair electrical portions of spindle, as well as the mechanical. Drawbar assemblies are checked and rebuilt as needed. The assembly is run-in, checked for vibration, temperature and runout. The assembly is shipped in protective packaging.

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